I-Türkçe Kitaplar
1- Efe, R. (1998). Ermenek Çayı Havzası; Doğal Ortam Özellikleri. İstanbul. pp. 210, ISBN 975-303-001-0
2- Efe, R. (Sekin ile birlikte) (1998). Adana-Ceyhan Depremi - 27.6.1998. İstanbul. pp. 80, ISBN 975-303-000-2
3- Deliorman, A., Özey, R.; Efe, R. (1998). Sosyal Bilgiler-6 (Ünite 2, 5) Bayrak yayınları, ISBN 975-7728-35-7, İstanbul.
4- Deliorman, A., Özey, R.; Efe, R. (1998). Sosyal Bilgiler-7 (Ünite 1, 7) Bayrak yayınları, ISBN 975-7728-34-9, İstanbul.
6- Efe, R. (2000). Gölcük ve Düzce Depremleri-1999. FA.Ü. yayınları, no.7. İstanbul,ISBN 975-303-007X
7- Efe, R. (2018). Biyocoğrafya (3. Basım). Beta Basım, ISBN 978-605-5911-21-8
8- Efe, R.; Soykan, A., Sönmez, S., Cürebal, İ. (2010). Edremit’in Anıtsal ve Korunmaya Değer Ağaçları. Karakutu Yayınları. ISBN: 978-6051-200-06-4
https://www.academia.edu/25829671/Edremitin_An%C4%B1tsal_ve_Korunmaya_De%C4%9Fer_A%C4%9Fa%C3%A7lar%C4%B1
9- Atalay, İ.; Efe, R. (2010). Anadolu Karaçamı (Pinus nigra Arnold subsp. pallasiana (Lamb.) Holmboe) nın Ekolojisi ve Tohum Nakli Açısından Bölgelere Ayrılması. Çevre ve Orman Bakanlığı, Orman Ağaçları ve Tohumları Islah Araştırma Müdürlüğü. Bakanlık Yayınları no:424, Müdürlük Yayınları no:37. Ankara. ISBN 978-605-393-066-2
Ecology of the Anatolian Black Pine (Pinus nigra Arnold subsp. Pallasiana (Lamb.) Holmboe) and its Dividing into Regions in Terms of Seed Transfer (Extended English Abstract).
https://ortohum.ogm.gov.tr/Yayinlar/Muhtelif%20Yay%C4%B1nlar/Anadolu%20Kara%C3%A7am%C4%B1%20[Pinus%20nigra%20Arnold%20supsp.%20pallasiana%20(Lamb.)%20Holmboe]'n%C4%B1n%20Ekolojisi%20ve%20Tohum%20Nakli%20A%C3%A7%C4%B1s%C4%B1ndan%20B%C3%B6lgelere%20Ay.Pdf
10- Efe, R.; Soykan, A., Sönmez, S., Cürebal, İ.(2011). Dünyada, Türkiye’de, Edremit Körfezi Çevresinde Zeytin ve Zeytinyağı. 334 sayfa. 1.Baskı. Meta Basım. ISBN: 978-605-62253-0-7, İzmir. 2. Baskı. Akmat Basım. ISBN: 978-605-62253-0-7
https://www.academia.edu/4050533/D%C3%BCnyada_T%C3%BCrkiye_de_Edremit_K%C3%B6rfezi_%C3%87evresinde_Zeytin_ve_Zeytinya%C4%9F%C4%B1
11-Efe, R.; Soykan, A., Sönmez, S., Cürebal, İ. (2011). Burhaniye-Doğal Kaynak Değerleri. 384 s. Sistem Ofset, ISBN: 978-605-62253-1-4, Ankara
https://www.academia.edu/4050538/Burhaniye_Dogal_Kaynak_Degerleri-_Burhaniye_Natural_Resource_Values
12- Efe, R.; Soykan, A., Sönmez, S., Cürebal, İ. (2012). Edremit Yeşil Çizik Zeytin. ISBN: 978-605-62253-2-1
https://docplayer.biz.tr/47553879-Edremit-yesil-cizik-zeytin-prof-dr-recep-efe-prof-dr-abdullah-soykan-doc-dr-isa-curebal-yrd-doc-dr-suleyman-sonmez.html
13- Atalay, I.; Efe, R. (2012). Sarıçam (Pinus sylvestris var. sylvestris) Ormanlarının Ekolojisi ve Tohum Nakli Açsından Bölgelere Ayrılması. Orman ve Su işleri Bakanlığı, Orman Ağaçları ve Tohumları Islah Araştırma Müdürlüğü. Müdürlük Yayınları no: 45. Ankara. ISBN 975-605-4610-11-2.
Ecology of Scots Pine (Pinus sylvestris var. sylvestris) Forests and their regioning in Terms of Seed transfer (with Extended English Abstact).
https://ortohum.ogm.gov.tr/Yayinlar/Muhtelif%20Yay%C4%B1nlar/Sar%C4%B1%C3%A7am%20(Pinussylvestris%20var.%20syvestris)%20Ormanlar%C4%B1n%C4%B1n%20Ekolojisi%20ve%20Tohum%20Nakli%20A%C3%A7%C4%B1s%C4%B1ndan%20B%C3%B6lgelere%20Ayr%C4%B1lmas%C4%B1.Pdf
14- Efe, R.; Soykan, A.; Cürebal, İ.; Sönmez, S. (2013). Balıkesir’in Ağaçları ve Çalıları. Akmat Basım. ISBN 978-605-62253-5-2
https://www.researchgate.net/profile/Recep-Efe/publication/310868420_Balikesir'in_Agaclari_ve_ Calilari/ links/583aab6508aef00f3bfbe499/Balikesirin-Agaclari-ve-Calilari.pdf
15-Efe, R.; Soykan, A.; Cürebal, İ.; Sönmez, S. (2013). Edremit Yöresi Yağhaneleri. Geçmişten Günümüze Zeytin, Zeytinyağı ve Sabun Sanayii. Ana Gıda, Mataş Matb. İstanbul.
https://www.komilizeytinyagi.com.tr/Files/ekitap/edremit-yoresi-yaghaneleri.pdf
17- Efe, R.; Soykan, A.; Cürebal, İ.; Sönmez, S. (2013). Burhaniye’de Zeytinin Yetişme Ortami Şartlari ve Zeytinyağının Özellikleri. Burhaniye Ticaret Odası-Yayınlanmamış Proje Çalışması
https://www.burhaniyeto.org.tr/uploads/BurhaniyeZeytin.pdf
16-Atalay, İ.; Efe, R. (2015). Türkiye Biyocoğrafyası (Bitki ve Hayvan). Meta Basım. İzmir. ISBN 9786058784079
17-Recep Efe, Emin Atasoy (2021). Dünya ve Ülkeler Rehberi. Ekin Yayınevi.
II-İngilizce Kitaplar
1-Efe, R. (2001) Gölcük and Düzce Earthquakes-1999. İstanbul, ISBN 975-303-008-8
2-Efe, R., Soykan, A., Cürebal, İ., Sönmez, S. (2013). Olive and Olive Oil in Edremit Region. Akmat Basım. ISBN: 978-605-62253-3-8
3-Efe, R., Soykan, A., Cürebal, İ., Sönmez, S. (2013). Monumental Trees of Edremit, Akmat Basım. ISBN: 978-605-62253-4-5
III - Uluslararası Kitap (Editörlük)
1-(2008) (Cravins, G., Öztürk, M., Atalay, İ. ile birlikte). Natural Environment and Culture in the Mediterranean Region. Cambridge Scholars Publishing, UK. 2008. ISBN (13): 978-184-71865-8-4
2-(2008) (Atalay, İ., Ielenicz, M., Balteanu, D. ile birlikte). The 5th Turkey-Romania Geographical Academic Seminar. Proceedings. İnkilap Yayınevi, 2008, ISBN: 978–975–00219-6-1
3-(2007) (Atalay, İ. Ve Soykan ile birlikte). International Symposium on Geography. GEOMED2007. Abstracts. Meta Basım, İzmir. ISBN 978-975-00219-7-8
4-(2008) (Atalay, İ. ile birlikte). International Symposium on Geography. GEOMED2007. Proceedings. İnkilap Yayınevi, İstanbul. ISBN 978-975-00219-7-8
5-(2010) (Atalay, İ., Öztürk, M. ile birlikte). The 2nd International Geography Symposium-GEOMED2010- Book of Abstracts. Meta Basım, 343 sayfa, İzmir.
6-(2010) (Atalay, İ. ile birlikte). The 2nd International Geography Symposium. Proceedings. GEOMED2010- İnkilap Kitapevi, İstanbul. ISBN: 978-975-44132-9-8
7-(2011) (Atalay, İ., Öztürk, M. ile birlikte). International Symposium on Kaz Mountains (Mt.Ida) and Edremit. IKES2011, Proceedings and Abstracts. Meta Basım. İzmir. ISBN: 978-605-87840-0-0
8-(2011) (Öztürk, M., Atalay, İ., ile birlikte) Natural Environment and Culture in the Mediterranean Region-II. Cambridge Scholars Publishing, UK. 2011. ISBN: 978-1-4438-2986-1
9-(2011) (Öztürk, M. ile birlikte). Procedia Social and Behavioral Science Vol. 19, Elsevier. ISSN: 1877-0428
10-(2012) (Öztürk, M. ile birlikte). Journal of Environmental Biology-Special Issue-, Vol.33 (2), Triveni Enterprises, ISSN: 0254-8704
11-(2012) (Öztürk, M., Ghazanfar, S. ile birlikte). Environment and Ecology in the Mediterranean Region, Cambridge Scholars Publishing.UK., ISBN (10): 1-4438-3757-1, ISBN (13): 978-1-4438-3757-6
12-(2012) (Atalay, İ., Ielenicz, M., Balteanu, D. ile birlikte). The 7th Turkey-Romania Geographical Academic Seminar. Proceedings. Potentials and problems of natural environment in Turkey and Romania. İnkilap Yayınevi, ISBN: 978–605–87840-4-8
13-Efe, R.; Hristov, I., Atasoy, E. (2012). Education and Science in Globalizing World: A Case Study of Turkey. Paradigma- Sofia, Bulgaria.
14-Efe, R., (2013). Proceedings. 2nd International Symposium on Kaz Mountains and Edremit. Meta Publ. ISBN. 978 605 62253-6-9
15-Efe; R.; Atalay, İ. (2013). Abstracts. The 3rd International Geography Symposium. Inkilap Publ. ISBN 978 605 62253-7-6
16-Efe, R.; Ozturk, M.; Curebal, I. (2013). Proceedings. The 3rd International Geography Symposium. 671 sayfa, ISBN 978-605-62253-8-3
17-Efe, R.; Mazbaev, O.; Kostova, Z.; Sam, R.; Sam, N.; Çalışkan, V.; Bayartan, M.; Atasoy, E. (2013) The Science and Education at the Beginning of the 21st Century in Turkey. Vol.2. Sofia University Publishing House ‘St.Climent Ohridski’. Sofia. Bulgaria.
18-Efe, R.; Öztürk, M. (2014). Environment and Ecology in the Mediterranean Region II, Cambridge Scholars Publishing. U.K., ISBN-13: 978-1443855389, ISBN-10: 1443855383
19-Efe, R.; Öztürk, M. (2014). Tourism, Environment and Ecology in the Mediterranean Region. Cambridge Scholars Publishing. U.K., ISBN (10): 1-4438-6218-5, ISBN (13): 978-1-4438-6218-9
20-Efe, R.; Sam, N.; Sam, R.; Spiriajevas, E., Galay, E.; Atasoy, E.( 2014). Cities in the Globalizing world and Turkey: A theoretical and Empirical Perspective. Sofia University Publishing House ‘St.Climent Ohridski’. 671p. Sofia. Bulgaria. ISBN 978 954 07 3768 3
21- Efe, R.; Onay, T.T.; Sharuho, I.; Atasoy, E.; Bayartan, M. (2014). Urban and Urbanization. Sofia University Publishing House ‘St.Climent Ohridski’. 792 p. Sofia. Bulgaria. ISBN 978 954 07 3772 0
22-Efe, R.; Öztürk, M. (2014). Procedia Social and Behavioral Science Vol. 120, Elsevier. ISSN: 1877-0428
23- Efe, R.; Öztürk, M. (2015). Journal of Environmental Biology-Special Issue-, Vol.36 , Triveni Enterprises, ISSN: 0254-8704
24-Münir Öztürk, Khalid Rehman Hakeem, I.Faridah Hanum, Recep Efe (2015). Climate Change Impacts on High-Altitude Ecosystems. DOI. 10.1007/978-3-319-12859-7-23
25-Efe, R.; Bizzarri, C.; Cürebal, İ.; Nyusupova, G. (2015). Environment and Ecology at the Beginning of 21st Century. Sofia University Publishing House ‘St.Climent Ohridski’. ISBN 978-954-07-3999-1
26- Efe, R.; Koleva, I.; Atasoy, E.; Kostova Z. B. (2015). Education in the 21st Century: Theory and Practice. Sofia University Publishing House ‘St.Climent Ohridski’ ISBN 978-954-07-4000-3
27-Avcıkurt, C.; Dinu, M.; Hacıoğlu, N.; Efe, R.; Soykan, A. (2015). Tourism, Environment and Sustainability. Sofia University Publishing House ‘St.Climent Ohridski’. ISBN 978-954-07-4021-8
28-Efe, R.; Ayışığı, M.; Düzbakar, Ö.; Arslan, M. (2015). Turkey at the Beginning of 21st Century: Past and Present. Sofia University Publishing House ‘St.Climent Ohridski’. ISBN 978-954-07-4001-0
29-Emin Atasoy, Recep Efe, Iwona Jażdżewska, Hülya Yaldır (2016). Current Advances in Education. Sofia University Publishing House ‘St.Climent Ohridski’ ISBN 978-954-07-4134-5
30-Recep Efe, Lia Matchavariani, Abdulkadir Yaldır, László Lévai (2016). Developments in Science and Engineering. Sofia University Publishing House ‘St.Climent Ohridski’ ISBN 978-954-07-4137-6
31-Hülya YALDIR, Recep EFE, Elżbieta ZUZAŃSKA-ŻYŚKO, Mehmet ARSLAN (2016). Current Topics in Social Sciences, Sofia University Publishing House ‘St.Climent Ohridski’, ISBN 978-954-07-4135-2
32-Recep Efe, İsa Cürebal, Abdalla Gad (2016). Brigitta Tóth Environmental Sustainability and Landscape Management. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-4140-6
33-Recep EFE, İsa CÜREBAL, Gulnara NYUSSUPOVA, Emin ATASOY (2016). Recent Researches in Interdisciplinary Sciences, Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-4141-3
34-Cevdet AVCIKURT, Mihaela S. DINU, Necdet HACIOĞLU, Recep EFE, Abdullah SOYKAN, Nuray TETİK (2016). Global Issues and Trends in Tourism, Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-4138-3
35-Recep EFE, Rositsa PENKOVA , Jan A. WENDT, Kuat T. SAPAROV, Jaras G. BERDENOV (2017). Developments in Social Sciences. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-4343-1
36-Recep EFE, Murat ZENCIRKIRAN, Jan A. WENDT, Zeynal TUMSAVAS, Halil UNAL, Bilyana BORISOVA (2017). Current Trends in Science and Landscape Management, Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978‐954‐07‐4338‐7
37-Recep Efe, Irina Koleva, Emin Atasoy, Violeta Kotseva (2017). Current Trends in Educational Sciences. Sofia University Publishing House ‘St.Climent Ohridski,- ISBN 978-954-07-4337-0
38-Irina KOLEVA, Handan Asude BAŞAL, Mümin TUFAN, Emin ATASOY, Recep EFE (2018). Educational Sciences Research in the Globalizing World. Sofia University Publishing House ‘St. Climent Ohridski, ISBN 978-954-07-4527-5
39-Ilia CHRISTOV, Eric STRAUSS, Abd-Alla GAD, Isa CUREBAL, Recep EFE (2018). Science, Ecology and Engineering Research in the Globalizing World, Sofia University Publishing House ‘St. Climent Ohridski, ISBN 978-954-07-4526-8
40-Recep EFE, Marin RUSEV, Eric STRAUSS , Cevdet AVCIKURT, Abdullah SOYKAN, Bekir PARLAK (2018). Social Sciences Researches in the Globalizing World, Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-4528-2
41-Viliyan KRYSTEV, Recep EFE, Emin ATASOY (2019). Theory and Practice in Social Sciences. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-4761-3
42-Ilia CHRISTOV, Viliyan KRYSTEV, Recep EFE, Abd Alla GAD (2020). Advances in Scientific Research: Engineering and Architecture. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-5047-7
43-Viliyan KRYSTEV, Mihaela S. DINU, Recep EFE, Emin ATASOY (2020). Advances in Social Science Research, Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-5048-4
44-Zdravka Blagoeva KOSTOVA, Kaimuldinova Kulyash DUISENBAEVNA, Emin ATASOY, Betül BATIR, Reep Efe (2021). Developments In Educational Sciences. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-5203-7
45-Boyko RANGUELOV, Zharas G. BERDENOV, Recep EFE (2021). Developments In Engineering And Architecture, Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-5200-6
46-Vilian KRYSTEV, Sabriye ÇELIK UĞUZ, Recep EFE, Erol KAPLUHAN (2021). Tourism Studies And Social Sciences. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-5202-0
47-Boyko RANGUELOV, Recep EFE, Mihaela S. DINU, Emin ATASOY (2021). Recent Academic Studies In Sciences. Sofia University Publishing House ‘St.Climent Ohridski, ISBN 978-954-07-5370-6
48- Münir Öztürk, Volkan Altay, Recep Efe (2021). Biodiversity, Conservation and Sustainability in Asia, Volume 1: Prospects and Challenges in West Asia and Caucasus, Springer
49-Münir Öztürk, Shujaul Mulk Khan, Volkan Altay, Recep Efe, Dilfuza Egamberdieva, Furkat O. Khassanov. Biodiversity, Conservation and Sustainability in Asia, Volume 2: Prospects and Challenges in South and Middle Asia. Springer, ISBN: 978-3-030-73943-0
III-Uluslararası Kitaplarda Bölüm Yazarlığı
1- Atalay, İ.; Efe, R.; Soykan, A., Cürebal, İ., Sarı, C. (2008). Formation of Antalya Travertine Deposits and Karstic Ground Water Systems. In: Efe, Cravins, Ozturk, Atalay (Eds). Environment and Culture in the Mediterranean Region. Part I, Chapter Six, pp. 93-108. Cambridge Scholars Publishing. ISBN (13): 9781847186584, 2008, Newcastle, UK.
2- Efe, R.; Atalay, i., Soykan, A. (2008). Mediterranean Ecosystems of Turkey: Ecology of Taurus Mountains. In: Efe, Cravins, Ozturk, Atalay (Eds). Environment and Culture in the Mediterranean Region. Part I, Chapter One p. 3-37, Cambridge Scholars Publishing. ISBN (13): 9781847186584, 2008, Newcastle, UK.
3- Efe, R.; Atasoy, E., Soykan A. (2009). The Tourism Potential and Problems in Bursa and Uludag. In (Eds.). Students Personal Development in Modern Education and Society (Vol. III), Blageovgrad and Saint Petersburg, ISBN 978-954-680-638-3, p. 314-328
4- Efe, R.; Curebal, I. (2011). Impacts of the “Marmaray” Project (Bosphorus Tube Crossing, Tunnels and Stations) on Transportation and Urban Environment in Istanbul. In: Stanley D. Brunn (Ed.) Engineering Earth-The Impacts of Megaengineering Projects. Chapter 41. ISBN 978-90-481-9919-8 e-ISBN 978-90-481-9920-4. DOI 10.1007/978-90-481-9920-4. Springer: Dordrecht, Heidelberg, London, New York.
5-Efe, R.; Soykan, A., Cürebal, I., Sönmez, S. (2011). Training for Staff Members of Protected Areas in Central and Eastern Europe in the Implementation of Volunteers in Park Programmes. In: R. Efe, M. Öztürk, İ. Atalay (Eds.). Environment and Culture in the Mediterranean Region-II. Cambridge Scholars Publishing. Chapter 7, page 71-78, ISBN: 978-1-4438-2986-1, Newcastle, UK.
6- Efe, R.; Soykan, A., Cürebal, I., Sönmez, S. (2011). Olive and Olive Oil Culture in the Mediterranean Basin. In: R. Efe, M. Öztürk, S. Ghazanfar (Eds.) Environment and Ecology in the Mediterranean Region. Chapter 5, pp.54-64. Cambridge Scholars Publishing. ISBN (10): 1-4438-3757-1, ISBN (13): 978-1-4438-3757-6. Newcastle, UK.
7- Efe, R. (2012). Biography and Academic Works of Prof. Dr. h. c. Ibrahim Atalay. In: I. Hristov, R. Efe, E. Atasoy (Eds.) Education and Science in a Globalizing World: A Case Study of Turkey., Paradigma Publ., Sofia.
8- Cürebal, İ.; Soykan, A.; Efe, R.; Sönmez, S. (2012) Structural and Geomorphological Evolution of Pazarköy Basin (Yenice - Çanakkale - NW Turkey) In: Hristov,I.; Efe, R. (Editors) Education and Science in a Globalizing World: A Case Study of Turkey, Chapter II; Social Sciences, p.220-233, Paradigma Publ., Sofia.
9-Şencan, A.; Efe, R. (2013). River Drainage Characteristics of Biga Plain. In: Efe,R.; Mazbaev, O.; Koztova, Z.; Sam, R.; Sam, N.; Çalışkan, V.; Bayartan, M.; Atasoy, E. (Eds.) The Science and Education at the Beginning of 21st Century in Turkey, Vol.2, pp. 504-513. St. Kliment Ohridski University Press. Sofia.
10-Soykan, A.; Cürebal, İ.; Efe, R.; Sönmez, S. (2013). Geomorphological Characteristics of the Coastal Area in the East of Ayvalık. In: Efe,R.; Mazbaev, O.; Koztova, Z.; Sam, R.; Sam, N.; Çalışkan, V.; Bayartan, M.; Atasoy, E. (Eds.). The Science and Education at the Beginning of 21st Century in Turkey, Vol.2, pp. 684-694. St.Kliment Ohridski University Press. Sofia.
11-Efe, R. (2013). Biography and Academic Works of Prof. Dr. Oğuz EROL, In: Efe,R.; Mazbaev, O.; Koztova, Z.; Sam, R.; Sam, N.; Çalışkan, V.; Bayartan, M.; Atasoy, E. (Eds.). The Science and Education at the Beginning of 21st Century in Turkey, Vol.2, pp. V-XIX. St. Kliment Ohridski University Press. Sofia.
12-Cürebal, İ.; Efe, R.; Soykan, A.; Sönmez, S. (2014). Population and Settlement features of Balikesir between 1940 and 2010. In: Efe, R.; Onay, T.T.; Sharuho, I.; Atasoy, E.; Bayartan, M. (Editors). Urban and Urbanization. Sofia St. Kliment Ohridski University Press. pp 48-56, Sofia. Bulgaria. ISBN 978 954 07 3772 0
13-Atalay, I.; Efe, R. (2014) The Factors determining Forest productivity in the western part of the Taurus Mountains (SW Anatolia). In: Tourism, Environment and Ecology in the Mediterranean Region (Eds: R. Efe and M. Ozturk) Cambridge Scholars Publishing. ISBN (10): 1-4438-6218-5, ISBN (13): 978-1-4438-6218-9. Newcastle, UK.
14-Efe,R.; Sönmez, S.; Cürebal, İ.; Soykan, A. (2015). Subalpine Ecosystem and Possible Impact of Climate Change on Vegetation of Kaz Mountain (Mount Ida—NW Turkey). In: (Eds: Öztürk, M.; Hakeem,K.R. ; Hanum I.F.; Efe, R.) Climate Change Impacts on High-Altitude Ecosystems. DOI. 10.1007/978-3-319-12859-7_23, pp.645-663, Springer International Publishing AG.
15-İsa CÜREBAL, Recep EFE and Abdullah SOYKAN (2019). Spatial and Temporal Change of Bursa City Settlement Area (1955-2018) and Environmental Impacts of Expansion, Sofia St. Kliment Ohridski University Press. pp 213-226, Sofia. Bulgaria.
16-Recep EFE (2019). Geomorphology, Soil and Vegetation Relationships in Karst Terrains: A Case Study of the Central Taurus Mountains (Southern Turkey). Sofia St. Kliment Ohridski University Press. pp 286-296, Sofia. Bulgaria.
17-Recep EFE, Abdullah SOYKAN, İsa CÜREBAL, and Süleyman SÖNMEZ (2021). Comparison of the Olive Growing Ares in Turkey in Terms of Temperature and Precipitation Characteristics: The Case of Burhaniye. Sofia St. Kliment Ohridski University Press. pp 33-44, Sofia. Bulgaria.
18-Recep EFE, Abdullah SOYKAN, İsa CÜREBAL, and Süleyman SÖNMEZ (2021). Ecological Characteristics of Trees Growing Naturally in Burhaniye District (Balıkesir, Turkey). Sofia St. Kliment Ohridski University Press. pp 132-156, Sofia. Bulgaria.
IV-Ulusal Kitaplarda Bölüm Yazarlığı
1-Efe, R.; Soykan, A.; Cürebal, İ.; Sönmez, S. (2016). Türkiye’de Yetişen Zeytin Çeşitlerinin Özellikleri ve Coğrafi Dağılışı. Zeytin Kitabı (Editör: E.G.Naskali) s. 37-79 Kitapevi Yayınları, İstanbul.
2-Efe, R.; Cürebal, İ.; Soykan, A.; Sönmez, S. (2016). Türkiye’de Zeytin ve Zeytinyağı Terminolojisi. Zeytin Kitabı (Editör: E.G.Naskali) s. 93-118. Kitapevi Yayınları, İstanbul.
https://www.researchgate.net/publication/314187336_Turkiye'de_Zeytin_ve_Zeytinyagi_Terminolojisi
3-Efe, R.; Cürebal, İ.; Soykan, A.; Sönmez, S. (2016). Edremit Yöresindeki Anıt ve Anıtsal Zeytin Ağaçları. Zeytin Kitabı (Editör: E.G.Naskali) s. 235-253. Kitapevi Yayınları, İstanbul.
4-Efe, R., Atasoy, E., Barwinski, B., Wendt, J.A. (2017). Polonya Siyasetinde Ulusal Azinliklar ve Dogu Komşuları- Minorities in Poland and Eastern Neighbours. [in:] Atasoy E., Wendt J.A. (eds.), Sosyal Bilimler Işığında Polonya Cumhuriyeti, Beta Basım Yayım Dağıtım, Istanbul, p. 203-222.